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Yeah, well, try this
Posted by SteveW (more from SteveW) on Wed, 4 Apr 2012 16:06:45
In Reply to: BOV recommendations for TD04 19t, TSR, Wed, 28 Mar 2012 09:07:53
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I have a 1991 9000 with an 18T wheel in it (only a little less than a 19). I was seeing the same thing, but you gotta realize you are not going to get full boost at high RPM, unless your car is a total monster, like one of Nick's cars. So I tried an experiment, which I tried yesterday and could not duplicate. Hook a 4 ft piece of vacuum tube to your air compressor and send 30psi into a blocked tube. Esp try it on silicone hose. You would die with this aneurysm. Maybe not all hose is like this, but some of the ones I had did. It is called "vacuum hose", not pressure hose for a reason. So I use hard plastic tubing, the stuff intended to feed ice makers, and only have a 2" piece of soft hose to make the connections.
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